18860220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{104779}}^1$

素因数の和:104794

約数の個数: 36

約数和(自身を含む): 57209880

約数和(自身を除く): 38349660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 104779, 209558, 314337, 419116, 523895, 628674, 943011, 1047790, 1257348, 1571685, 1886022, 2095580, 3143370, 3772044, 4715055, 6286740, 9430110, 18860220]

約数ペア:

[(1, 18860220), (2, 9430110), (3, 6286740), (4, 4715055), (5, 3772044), (6, 3143370), (9, 2095580), (10, 1886022), (12, 1571685), (15, 1257348), (18, 1047790), (20, 943011), (30, 628674), (36, 523895), (45, 419116), (60, 314337), (90, 209558), (180, 104779)]